3648655373 has 4 divisors (see below), whose sum is σ = 3980351328. Its totient is φ = 3316959420.

The previous prime is 3648655363. The next prime is 3648655399. The reversal of 3648655373 is 3735568463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3735568463 = 11 ⋅339597133.

It is a cyclic number.

It is not a de Polignac number, because 3648655373 - 2¹⁰ = 3648654349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648655363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165847961 + ... + 165847982.

It is an arithmetic number, because the mean of its divisors is an integer number (995087832).

Almost surely, 2^3648655373 is an apocalyptic number.

It is an amenable number.

3648655373 is a deficient number, since it is larger than the sum of its proper divisors (331695955).

3648655373 is a wasteful number, since it uses less digits than its factorization.

3648655373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331695954.

The product of its digits is 5443200, while the sum is 50.

The square root of 3648655373 is about 60404.1006306691. The cubic root of 3648655373 is about 1539.4926327997.

The spelling of 3648655373 in words is "three billion, six hundred forty-eight million, six hundred fifty-five thousand, three hundred seventy-three".